19ft x 37ft Green Sun Shade Sail Rectangle - Heavy Duty 260 GSM

In this review the ShadeMart 19' x 37' green sun shade sail is evaluated for homeowners and small commercial spaces who need a durable, high-coverage shade solution. The bottom line: this heavy duty, 260 GSM HDPE sail delivers reliable cooling and UV protection while resisting fading and tearing, making it a strong choice for patios, carports, pools and gardens where long-term sun exposure is an issue. The review focuses on build quality, UV blockage, and practical installation considerations observed from materials and customer feedback.

Key Features

• Heavy duty construction: 260 GSM extra fabric and stainless super rings concentrate load on built-in cable wires so edges resist tearing under tension.
• UV endurance: Treated with a UV stabilized compound, the sail blocks up to 95% of harmful UV and resists drying and fading in prolonged sun exposure.
• Breathable design: Permeable HDPE allows water to pass through so rain does not pool and the sail keeps a cooler shaded area beneath.
• Integrated edge reinforcement: Cable wires built into the finished edges transfer pulling strength to the mounting rings for longer durability around attachment points.
• Measurement clarity: Size is taken D ring to D ring and edges are slightly curved to allow tight stretching and avoid center sagging when installed correctly.

Who It's For

The ShadeMart heavy duty sun shade sail is best for homeowners with patios, pool decks, balconies or carports who want extensive shade that also resists sun damage over seasons; it also suits small commercial outdoor areas that need robust UV blockage and low maintenance. Installers who prefer a fabric that breathes and sheds rain instead of pooling will appreciate the material choice.

It is less suitable for buyers who expect a complete hardware kit in the box, as installation hardware and cable ropes are sold separately. Also, those who need a fully waterproof canopy or who cannot anchor to solid points (poles, trees, walls) should consider alternatives.

Pros & Cons

Pros

• Heavy 260 GSM virgin HDPE offers substantial durability and resistance to UV damage.
• Built-in cable edges and stainless super rings make mount points stronger and reduce risk of tearing.
• Blocks about 95% of harmful UV, noticeably lowering temperature under the sail.
• Breathable fabric prevents water pooling and helps maintain airflow beneath the shade.

Cons

• Installation hardware is not included and requires compatible cable ropes and kits for proper setup.
• Requires careful spacing and tensioning (allow 0.5-1.5 ft for hardware) to avoid sagging.

Specifications

Brand	ShadeMart
Material	260 GSM 100% virgin HDPE
UV Blockage	Up to 95% UV blockage
Size (D ring to D ring)	19 ft x 37 ft
Edge reinforcement	Built-in cable wires integrated into super rings
Mounting rings	Stainless steel super rings

Our Verdict

The ShadeMart 19' x 37' heavy duty shade sail is a practical, value-oriented choice for anyone needing large-area UV protection with long-term durability. It is worth buying when paired with proper hardware and tensioning: the 260 GSM virgin HDPE construction and integrated cable edges deliver dependable performance and good appearance for patios, pools and carports.

Frequently Asked Questions

Does the sail block harmful sun rays?
The sail blocks up to 95% of harmful UV and is treated with a UV stabilized compound to reduce fading and drying.

Is installation hardware included?
No, installation hardware kits and cable ropes are sold separately; ShadeMart hardware kits are recommended for best results.

Will rain pool on the surface?
No, the breathable HDPE material allows water to pass through so rain does not pool on the sail.